Introduction Cole crop are mainly grown in cold weather during winter season in India. Cole crops are grown by transplanting seedlings grown in nurseries. Major Cole crop vegetables are : Cabbage Cauliflower Knol-khol Broccoli Brussel’s sprout
Some Cole Vegetables Cole Vegetables Broccoli Brussels sprout Cabbage Cauliflower Collard greens Knol-khol
Cabbage: Nursery Management Cabbage seeds are sown on seed beds and 4-6 weeks old seedlings are transplanted into field. Production of seedlings for early plantation requires protective structures while mid or late plantation do not. Soil: Nursery soil should be in good tilth, free from diseases, pest and weed. The seed beds are disinfected by drenching or sterilization. Seed Rate: 200-500 g seed /ha. 1 g seeds= 100 seeds . Nursery Area: 200-300 sq m for one ha plantation. Sowing: Seed should be sow in rows at 1.5-2.0 cm depth.
Cabbage: Nursery Management Nutrients: FYM @ 500 kg, nitrogen @1-2 kg, phosphorus @ 2- 3 kg and potash 6- 8 kg applied for 300 square meter nursery area. Irrigation: Optimum irrigation helps rapid and effective germination. Mulching: Mulching of seed beds with straw or polythene or gunny bags would help to retain moisture, prevent growth of weeds and avoid washing away of seed with water. Mulching material should be removed just before the emergence of the seedlings. Optimum Temperatures: 15-200C.
B. Nursery Grown Seedlings Cabbage: A. Certified Seeds B. Nursery Grown Seedlings C. Healthy Plants
Cauliflower: Nursery Management Cauliflower is grown from seed. Nursery bed preparation and raising of seedling depend on climatic factor. Sowing Time and Seed Rate: Seed Rate : 600gm/ha. 1 gram = 170 seeds Seed Treatment: Soaking of seeds in water for 4-5 hours improves germination. Locality Type of Variety Time of sowing Hilly Area Early April Plains Mid Middle of June Late Middle of September
Cauliflower: Nursery Management Raising Seedling: Seedling are raised on formalin sterilized raised beds of size 120 cm long X 60 cm wide X15 cm height. Seed are thinly sown 1.5 to 2 cm deep in lines with 5-7 cm apart. Seedlings are ready for transplanting in 3-4 weeks. Seed beds are mulched with dry leaves and removed after germination. Seed Treatment: Seeds dipped in HgCl2 1 gm/lit/kg seeds for control soft rot and black rot diseases. A. Certified Seeds B. Nursery grown Seedlings C. Healthy Cauliflower
Brussels Sprouts Nursery Management Brussels Sprouts are propagated by seed sown in nursery beds. Season of Sowing: Early : August to September Late : November to January Spacing : 5X5 cm Seed Rate : 300-400 gram. (1 gram = 100 seeds) Nursery seedlings are grown similar to other Cole crops. Brussels Sprouts
Knol-khol: Nursery Management Knol-khol is propagated by seed on nursery beds. 5-6 weeks old seedling are transplanted to main field. Nursery management is similar to other Cole crops Season of Sowing: Early: March-April in Northern Hills Late: September - October in North India Seed rate: 2.20 to 2.80 kg/ha. Knol-Khol
Broccoli Nursery Management Broccoli seeds are sown or dibbled on seed bed. Nursery management practices are similar to other Cole crops Seed Rate: 500 gram /ha Sowing time: October to November Sprouting Broccoli